ERNERY PARK, ARIZONA

Average Temperature

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		20.4		10.9		12.7		15.1		19		23.7		28.8		30.4		29.3		27.3		21.6		15.2		11.2

Average High Temperature

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		28.2		18.2		20.2		23		27.6		32.5		37.6		37.4		36.2		34.7		29.3		22.9		18.5

Average Low Temperature

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.7		3.7		5.1		7.1		10.4		14.8		20		23.3		22.4		19.9		13.8		7.5		3.9

Highest Recorded Temperature

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		47.2		30.6		33.3		37.2		40		42.8		47.2		45.6		44.4		41.7		38.9		34.4		28.9

Lowest Recorded Temperature

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-8.9		-8.9		-6.7		-6.7		-0.6		3.3		6.1		15		16.1		6.7		-3.3		-5		-8.9

Average Number of Days Above 90F/32C

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		145.3		---		---		0.6		4.9		18.9		28.3		29.2		28.6		24.6		9.9		0.3		---

Average Number of Days Below 32F/0C

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16.5		5.8		3.1		0.9		---		---		---		---		---		---		---		1.4		5.1

Average Precipitation

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		292		22		21		18		8		6		7		60		57		32		21		16		24

Average Number of Days With Precipitation

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		53		5		4		4		2		2		2		10		9		4		3		3		5

Most Reported Precipitation in a Month

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		201		122		81		62		42		55		80		157		201		130		127		106		128

Least Reported Precipitation in a Month

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		---		---		---		---		1		6		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		99.8		33.5		32		30.2		29.7		50		59.7		99.8		63		72.4		75.2		65.3		53.3

Avg. No. of Days w/Precip. Above 0.2in/5mm

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28		2		2		2		1		1		1		5		5		2		2		2		3

Avg. # of Days w/Precip. Above 0.4in/10mm

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		---		---		---		---		---		---		1		1		1		1		---		1

Avg. No. of Days w/Precip. Above 1in/25mm

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1		---		---		---		---		---		---		1		---		---		---		---		---

Average Snowfall

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2.8		0.8		0.5		0.5		0.2		---		---		---		---		---		---		0.2		0.5

Most Snow Reported in a Month

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		17.3		11.9		9.9		14.5		5.1		---		---		---		---		---		---		16.3		17.3

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		876.7		222.8		152.8		107.8		42.2		3.9		---		---		---		---		18.3		108.3		220.6

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1676.1		---		1.7		13.9		59.4		166.7		320.6		373.3		347.2		265		117.2		11.1		---

Growing Degree Days

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3851.1		29.3		75.3		156.7		270		423.7		563.3		632.1		599.3		518.3		358.2		156.7		37.9

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.8		11.5		12.4		13.4		14.3		14.7		14.5		13.7		12.7		11.8		10.9		10.5

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.5		12.1		15.2		20.5		25.4		27.4		27.2		23.3		21.2		20.3		16.6		13.3		11.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.1		3.1		3.9		4.5		5.2		6.2		7.1		8.1		7.3		5.5		4.2		3.1		2.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.4		17.8		20.3		23.8		25.4		24.9		23.6		20.7		20.4		21.9		21.1		19		17.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.7		20.8		22.4		27.3		31.2		31.5		29.6		22.4		21		24.1		23.3		22.6		20.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.5		12.1		15.2		20.5		25.4		27.4		27.2		23.3		21.2		20.3		16.6		13.3		11.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		3.8		4.6		5.5		6.3		8		8.2		8.6		7.8		6.1		5		3.5		3.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24		20.3		23.9		26.2		28		28		25.9		23		23		24.7		24.5		21.5		19.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		30		24.9		28.3		31.9		36.8		39.7		35.7		27.7		26.5		29.3		29.2		26.7		23.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.3		9.8		13.4		18.1		23		22.8		24.3		21.3		19.5		18.8		14.3		12.3		9.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.1		2.5		3		3.7		3.9		4.3		5.8		7.2		6.4		4.6		3.2		2.5		2.4

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.6		13.4		17.2		20.6		23		20.8		21.3		19.1		18.7		20.1		17.5		17.2		14.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.6		13.9		17.4		21.5		25.9		21.9		23.7		18.8		17.8		20.7		17.5		19.6		16